/Engine/Source/Runtime/WidgetCarousel/Public/WidgetCarouselStyle.h
[FWidgetCarouselNavigationButtonStyle](API\Runtime\WidgetCarousel\FWidgetCarouselNavigationButtonS-) & SetNavigationButtonLeftImage ( const [FSlateBrush](API\Runtime\SlateCore\Styling\FSlateBrush) & InNavigationButtonLeftImage )